<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>珠峰培训</title>
    <link rel="stylesheet" href="reset.min.css">
    <style>
        .center {
            position: fixed;
            top: 50%;
            left: 50%;
            margin: -150px 0 0 -150px;
            width: 300px;
            height: 300px;
            background: rgba(0, 0, 0, .5);
        }
    </style>
</head>
<body>
<!--<a href="javascript:;" id="link">点我啊</a>-->

<ul id="nav">
    <li><a href='http://xxx'>xxx</a></li>
    <li><a href='http://sss'>sss</a></li>
</ul>

<!--<div>
    <p id="p1"></p>
    <p id="p2"></p>
    <p id="p3"></p>
</div>-->
<script src="js/jquery-1.11.3.min.js"></script>
<script src="js/7.js"></script>
</body>
</html>